CN204779020U - Membrane bioreactor - Google Patents
Membrane bioreactor Download PDFInfo
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- CN204779020U CN204779020U CN201520353814.3U CN201520353814U CN204779020U CN 204779020 U CN204779020 U CN 204779020U CN 201520353814 U CN201520353814 U CN 201520353814U CN 204779020 U CN204779020 U CN 204779020U
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- membrane
- membrane element
- graticule mesh
- vibrating device
- membrane bioreactor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a membrane bioreactor, including the membrane module that filters sewage, constitute a plurality of film elements of membrane module vertical range are in proper order inserted in the aeration tank, still including connecting the vibrating device of membrane module, the vibrating device excitation each the film element. Through the optimal design to its structure, the antipollution ability of promotion film element effectively improves the membrane flux, ensures stable water production, improves membrane bioreactor's working property greatly.
Description
Technical field
The utility model relates to membrane bioreaction technology field, particularly a kind of membrane bioreactor.
Background technology
Membrane bioreactor, referred to as MBR (MembraneBio-Reactor), adopts a kind of Novel waste water treatment system that membrane separation technique combines with biologic treating technique.
Working process and the principle of membrane bioreactor are as follows:
Before membrane bioreactor, arrange grid, carry out pre-treatment to sewage, by sundries blockings such as various fiber, slag thing, waste paper outside system, usual grid grid is set to 3mm, fully to tackle above-mentioned foreign material, thus guarantees the normal operation of the biological projector of film.Membrane module (being made up of multiple membrane element) in membrane bioreactor replaces the second pond in traditional activated sludge process, active sludge in biochemical reaction tank and larger molecular organics are retained, activated sludge concentration improves greatly, material constantly reaction and degraded in membrane bioreactor of difficult degradation.
Above-mentioned membrane module is the core component in membrane bioreactor, and the membrane element of component film assembly mainly contains flat sheet membrane and hollow-fibre membrane two kinds of forms.In prior art, the membrane element of dull and stereotyped membrane type utilizes ABS plank as support component, dull and stereotyped diaphragm is fixed on ABS plank both sides, sewage is after the filtration of dull and stereotyped diaphragm, enter the pod apertures of ABS plank, and be collected to faucet by its internal diversion, discharge the water after purification.In long working process, the flat sheet membrane being fixed on ABS plate both sides is easily blocked by foreign material residual in sewage, causes membrane flux to reduce, and water-yielding capacity declines.
In view of this, urgently for above-mentioned technical problem, further optimization design is done to membrane bioreactor of the prior art, effectively improve the contamination resistance of membrane element, improve membrane flux, guarantee stable aquifer yield.
Utility model content
The purpose of this utility model, for providing a kind of membrane bioreactor, by the optimization design to its structure, promotes the contamination resistance of membrane element, effectively improves membrane flux, guarantee stable water production rate, greatly improve the serviceability of membrane bioreactor.
The utility model provides a kind of membrane bioreactor, comprises the membrane module of filter sewage, and the multiple membrane elements forming described membrane module vertically arrange successively and insert in aeration tank; Also comprise the vibrating device connecting described membrane module, described vibrating device exciting membrane element described in each.
Adopt the membrane bioreactor of said structure, in purification filtering process, vibrating device starts, each membrane element vibration in exciting membrane module, thus utilize mechanical vibration to make membrane element obtain a certain size vibratory magnitude, make the foreign material being attached to membrane element be shaken, improve membrane element self-purification capacity, promote membrane flux, guarantee reliable and stable water production rate.
Alternatively, described vibrating device is provided with support transmission rod, and described support transmission rod connects whole described membrane element, with by vibration passing to each described membrane element.
Alternatively, described vibrating device is vibrator.
Alternatively, described membrane element comprises two-layer diaphragm, a graticule mesh and faucet, and one end of described faucet is sandwiched between described diaphragm and graticule mesh, and the other end is communicated with pump and inhales the suction pump of purifying waste water; Two-layer described diaphragm is individually fixed in the both sides of described graticule mesh, and described graticule mesh is only communicated with described diaphragm and described faucet.
Alternatively, the support overlap joint of described graticule mesh is fixing forms multiple square or diamond check.
Alternatively, the material of described graticule mesh is PP.
Alternatively, the quantity of described faucet is two, and the medullary ray of relatively described membrane element is symmetrical.
Alternatively, described membrane element offers four holes that are connected, described in the be connected centrosymmetry of the relatively described membrane element in hole arrange, described vibrating device correspondence arranges four described support transmission rods, connects successively support membrane element described in each through the hole that is connected described in corresponding.
Alternatively, described in the be connected peripheral sealing in hole fix, with the stream of cleaned water passageway break in described graticule mesh.
Accompanying drawing explanation
Fig. 1 is membrane bioreactor structural representation in specific embodiment;
Fig. 2 is the detonation configuration schematic diagram of membrane element in specific embodiment;
Fig. 3 is grid structure schematic diagram in specific embodiment.
Wherein, in Fig. 1 to Fig. 3:
Membrane module 10, membrane element 11, diaphragm 112, graticule mesh 113, faucet 114, the hole 115 that is connected, support 1131;
Vibrating device 20, support transmission rod 21;
Aeration tank 30, gas blower 40, suction pump 50.
Embodiment
Core of the present utility model, for providing a kind of membrane bioreactor, by the optimization design to its structure, promotes the contamination resistance of membrane element, improves membrane flux, guarantee the stable water production rate of purifying waste water.
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to shown in Fig. 1 to Fig. 3, Fig. 1 is membrane bioreactor structural representation in specific embodiment; Fig. 2 is the detonation configuration schematic diagram of membrane element in specific embodiment; Fig. 3 is grid structure schematic diagram in specific embodiment.
The utility model provides a kind of membrane bioreactor, comprises the membrane module 10 of filter sewage, the aeration tank 30 of accommodating sewage, the gas blower 40 to blow air in aeration tank 30.The sewage entered in aeration tank 30 first tackles the foreign material such as various fiber, slag thing, waste paper through the pre-treatment of grid, and pretreated sewage is under the sucking action of suction pump 50, and the diaphragm 112 through the surface of membrane element 11 filters, and flow to faucet 114 and discharges; Gas blower 40 is advertised into air, on the one hand, for biological aerobic reaction provides oxygen, on the other hand, utilizes air to wash away the surface of the membrane element 11 liang of latallaes 112 vertically placed.
In a kind of embodiment, this membrane bioreactor also comprises the vibrating device 20 of junctional membrane assembly 10, this each membrane element 11 of vibrating device 20 exciting, thus make each membrane element 11 in filtration procedure, keep certain vibratory magnitude, and then make the foreign material being attached to membrane element 11 be shaken.Setting like this, what utilize mechanical vibration act as the vibratory magnitude that membrane element 11 provides a certain size, the diaphragm 112 on membrane element 11 surface is cleaned, eliminate the phenomenon of foreign material blocking diaphragm 112 in long-term sewage disposal, promote membrane element 11 contamination resistance, guarantee water production rate stable in filtration, purification process.
Membrane element 11 vertically arrangement inserts in aeration tank 30, and the foreign material on membrane element 11 liang of latallaes 112 are removed in the exciting effect making full use of vibrating device, and on the upside of when guaranteeing membrane element 11 level, slant setting or tiltedly the degree of cleaning of upper diaphragm 112, avoid blocking; Further, also can utilize the effect auxiliary flush membrane element 11 of afrodite vertical lifting in aeration tank 30, thus promote the contamination resistance of membrane element 11.
Meanwhile, when adopting the membrane bioreactor of said structure, the width of grid in preprocessing process can also be relaxed, reduce pre-treatment to the requirement of grid, save pre-treatment cost, and improve pre-treatment efficiency.
In addition, also can extend the termination of pumping time of suction pump 50, such as, can stop suction pump 50 two minutes by prior art every eight minutes, extend to every 20 minutes and stop suction pump 50 two minutes.So, improve the stability of water production rate further, improve the working efficiency of membrane bioreactor.
In concrete scheme, this vibrating device 20 can adopt vibrator, utilizes and directly connects each membrane element 11, make membrane element 11 obtain a certain size vibratory magnitude, make membrane element 11 vibrate in the course of the work simply and easily, and the frequency stabilization of vibrator is reliable.
Certainly, vibrating device 20 can also be other equipment, only needs to make membrane element 11 produce vibration, with the equipment of the foreign material falling to being attached to diaphragm 112 that shake.Therefore, the specific form of vibrating device 20 is not construed as limiting the technical scheme of the application's request protection.
For the ease of the exciting force of transmitting vibrations device 20, make each membrane element 11 be subject to uniform vibration, above-mentioned vibrating device 20 is also provided with and supports transmission rod 21.Particularly, as shown in Figure 1, support transmission rod 21 and connect whole membrane element 11, support each membrane element 11 on the one hand, make its vertically arrangement formation membrane module 10, on the other hand by vibration passing extremely each membrane element 11, each membrane element 11 is all fully vibrated, remove the foreign material of attachment, guarantee the membrane flux of each membrane element 11.
Supporting transmission rod 21 can be hollow rod, and can be also solid bar member, and the concrete shape of rod member not limiting to, can be round bar, square bar.Be understandable that, the specific form supporting transmission rod 21 is not construed as limiting the technical scheme of the application's request protection.
In order to improve the contamination resistance of membrane element 11 further, it is made effectively to eliminate the foreign material of surface attachment, also can to membrane element 11 optimization design further.Particularly, please also refer to shown in Fig. 2 and Fig. 3.
In a kind of specific embodiment, membrane element 11 comprises two-layer diaphragm 112, graticule mesh 113 and faucet 114, and one end of its faucet 114 is sandwiched between diaphragm 112 and graticule mesh 113, and the other end is communicated with pump and inhales the suction pump 50 of purifying waste water.Two-layer diaphragm 112 is individually fixed in the both sides of graticule mesh 113, thus makes graticule mesh 113 only be communicated with diaphragm 112 and faucet 114; That is, sewage only can enter from diaphragm 112 graticule mesh 113 be sandwiched between two-layer diaphragm 112, and after filtration, purification, water enters faucet 114 by graticule mesh 113 water conservancy diversion, thus discharges water purification.Setting like this, graticule mesh 113 is utilized to connect two-layer diaphragm 112, and water conservancy diversion water purification, on the one hand, graticule mesh 113 is compared with solid plate of the prior art, materials are less, saving material cost, on the other hand, can the integral thickness of thinning membrane element 11, thus be easier to produce vibration under the effect of vibrating device 20, promote the contamination resistance of membrane element 11, guarantee effective membrane flux in membrane element 11 working process.
As shown in Figure 3, the support 1131 of graticule mesh 113 overlaps fixing formation diamond check.Adopt the form that overlap joint is fixing, when diaphragm 112 is individually fixed in the both sides of graticule mesh 113, still keep complete connected state between two adjacent grid, making to purify waste water is circulated to faucet 114 fast and discharges.
The grid of graticule mesh 113 is not limited to diamond check, can also be other shape, such as square, trilateral etc.Be understandable that, the concrete shape of the grid of graticule mesh 113 is not construed as limiting the technical scheme of the protection of the application's request.
The preferred PP of employing (Polypropylene-polypropylene) of this graticule mesh 113, its good corrosion resistance, is more suitable for and works in Sewage Environment, effectively improves the work-ing life of membrane element 11.
Graticule mesh 113 also can adopt other material, such as PE (Polyethylene-polyethylene), PS (Polystyrene-polystyrene) etc.
In another specific embodiment, the number of above-mentioned faucet 114 is set to two, and the medullary ray of its relative membrane element 11 is symmetrical arranged.Thus fast, uniformly purifying waste water after filtration is drained, improve the product water speed of membrane element 11, guarantee reliable and stable work.
For above-described embodiment, also can do further optimization design to membrane element 11, as shown in Figure 2, membrane element 11 offers four holes 115 that are connected, and the centrosymmetry of its relative membrane element 11 is arranged.In concrete scheme, the hole 115 that is connected four is arranged at the corner place of membrane element 11; Meanwhile, vibrating device 20 is provided with four and supports transmission rod 21, and each supports transmission rod 21 and is each passed through the hole 115 that is connected accordingly, thus connects each membrane element 11 of support successively.
Setting like this, on the one hand, by supporting transmission rod 21 effectively support membrane element 11, auxiliary graticule mesh 113 supports two-layer diaphragm 112, guarantees the serviceability that membrane element 11 is stable; On the other hand, by running through the support transmission rod 21 at corner place, effectively guarantee that membrane element 11 entirety is subject to uniform and stable vibration, thus effectively promote the efficiency removing membrane element 11 surface irregularities.
Position for the hole 115 that is connected is not limited to and is arranged at corner place, only need make the centrosymmetry of its relative membrane element 11, thus make membrane element 11 be subject to uniform and stable vibration force.
Further, the shape in the hole 115 that is connected should be determined according to the profile supporting transmission rod 21, and support transmission rod 21 can be made to pass, and effective transmitting vibrations.Therefore, be connected hole 115 concrete shape not to the application's request protection technical scheme be construed as limiting.
Further, in order to effectively guarantee that purifying waste water in graticule mesh 113 is flowed out by faucet 114, the peripheral sealing in the hole 115 that is connected is fixed, and that is, be connected hole 115 and the stream of cleaned water passageway break in graticule mesh 113, and intercepting purifies waste water is oozed out by the hole 115 that is connected.Particularly, the periphery welding in this hole 115 that is connected is shut, and the circulation road be connected in hole 115 and graticule mesh 113 is separated, guarantees the stable output of purifying waste water.
Above a kind of membrane bioreactor provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (9)
1. a membrane bioreactor, comprises the membrane module (10) of filter sewage, and the multiple membrane elements (11) forming described membrane module (10) vertically arrange successively and insert in aeration tank; It is characterized in that, also comprise the vibrating device (20) connecting described membrane module (10), described vibrating device (20) exciting membrane element (11) described in each.
2. membrane bioreactor according to claim 1, it is characterized in that, described vibrating device (20) is provided with and supports transmission rod (21), described support transmission rod (21) connects whole described membrane element (11), with by vibration passing to each described membrane element (11).
3. membrane bioreactor according to claim 1, is characterized in that, described vibrating device (20) is vibrator.
4. membrane bioreactor according to claim 2, it is characterized in that, described membrane element (11) comprises two-layer diaphragm (112), a graticule mesh (113) and faucet (114), one end of described faucet (114) is sandwiched between described diaphragm (112) and graticule mesh (113), and the other end is communicated with pump and inhales the suction pump (50) of purifying waste water; Two-layer described diaphragm (112) is individually fixed in the both sides of described graticule mesh (113), and described graticule mesh (113) is only communicated with described diaphragm (112) and described faucet (114).
5. membrane bioreactor according to claim 4, is characterized in that, support (1131) overlap joint of described graticule mesh (113) is fixing forms multiple square or diamond check.
6. membrane bioreactor according to claim 5, is characterized in that, the material of described graticule mesh (113) is PP.
7. membrane bioreactor according to claim 4, is characterized in that, the quantity of described faucet (114) is two, and the medullary ray of relatively described membrane element (11) is symmetrical.
8. membrane bioreactor according to claim 4, it is characterized in that, described membrane element (11) offers four holes that are connected (115), the centrosymmetry of the relatively described membrane element (11) of the described hole that is connected (115) is arranged, described vibrating device (20) correspondence arranges four described support transmission rods (21), connects successively support membrane element (11) described in each through the hole (115) that is connected described in corresponding.
9. membrane bioreactor according to claim 8, is characterized in that, described in the be connected peripheral sealing in hole (115) fix, with the stream of cleaned water passageway break in described graticule mesh (113).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520353814.3U CN204779020U (en) | 2015-05-27 | 2015-05-27 | Membrane bioreactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520353814.3U CN204779020U (en) | 2015-05-27 | 2015-05-27 | Membrane bioreactor |
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| CN204779020U true CN204779020U (en) | 2015-11-18 |
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| CN201520353814.3U Active CN204779020U (en) | 2015-05-27 | 2015-05-27 | Membrane bioreactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457496A (en) * | 2016-01-13 | 2016-04-06 | 杭州青澜环保科技有限公司 | Membrane stack composed of MBR soft-type flat sheet membrane components |
| CN108636125A (en) * | 2018-07-06 | 2018-10-12 | 殷伟卿 | A kind of MBR flat membrane components, MBR flat sheet membrane module and its application |
-
2015
- 2015-05-27 CN CN201520353814.3U patent/CN204779020U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457496A (en) * | 2016-01-13 | 2016-04-06 | 杭州青澜环保科技有限公司 | Membrane stack composed of MBR soft-type flat sheet membrane components |
| CN108636125A (en) * | 2018-07-06 | 2018-10-12 | 殷伟卿 | A kind of MBR flat membrane components, MBR flat sheet membrane module and its application |
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| GR01 | Patent grant |